我目前无法将VoiceOver的焦点设置为特定标签。根据Apple的开发者网站(https://developer.apple.com/library/ios/featuredarticles/ViewControllerPGforiPhoneOS/Accessibility/AccessibilityfromtheViewControllersPerspective.html)，可以通过添加以下代码片段来更改第一个对象的焦点:@implementationMyViewController-(void)viewDidAppear:(BOOL)animated{[superviewDid